420652023 has 12 divisors (see below), whose sum is σ = 616493304. Its totient is φ = 254940400.

The previous prime is 420652019. The next prime is 420652079. The reversal of 420652023 is 320256024.

It is not a de Polignac number, because 420652023 - 2² = 420652019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420651984 and 420652002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420652013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 579048 + ... + 579773.

It is an arithmetic number, because the mean of its divisors is an integer number (51374442).

Almost surely, 2^420652023 is an apocalyptic number.

420652023 is a deficient number, since it is larger than the sum of its proper divisors (195841281).

420652023 is a wasteful number, since it uses less digits than its factorization.

420652023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158846 (or 1158835 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 420652023 is about 20509.8030951055. The cubic root of 420652023 is about 749.2745714530.

The spelling of 420652023 in words is "four hundred twenty million, six hundred fifty-two thousand, twenty-three".